T-wall extrusion



FIG. 1 is a first side view of a T-wall extrusion device which embodies the design;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a T-wall extrusion, as shown and described. 